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shear stress sign convention in comsol

Posted Dec 19, 2013, 12:53 a.m. EST Structural Mechanics 2 Replies

Xiang Yan
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Does anyone know what sign convention for shear stress follows in COMSOL?
It seems it does not follow the elasticity sign convention for shear stress.
2 Replies Last Post Dec 21, 2013, 3:23 p.m. EST
Henrik Sönnerlind COMSOL Employee

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Posted: 1 decade ago Dec 19, 2013, 3:01 a.m. EST
Hi,

The convention is the one usually used in elasticity:

If the xy component of shear stress is positive, then the traction on a face with the normal in the positive x-direction acts in the positive y direction.

Regards,
Henrik
Hi, The convention is the one usually used in elasticity: If the xy component of shear stress is positive, then the traction on a face with the normal in the positive x-direction acts in the positive y direction. Regards, Henrik
Xiang Yan
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Posted: 1 decade ago Dec 21, 2013, 3:23 p.m. EST
Henrik，Thanks! I got this question cleared.
Henrik，Thanks! I got this question cleared.

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